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关 键 词：Fe2+
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发布时间：2010-12-20
Iron (II) Ion NO.281 Fe2+ Performance Measuring Range (5) to 50 mg/L Sampling Time 5 minutes Detecting Limit 1.0 mg/L Colour Change White → Orange Reaction Principle Fe2+ + 1,10 Fenantoroline (White) → Complex compound Shelf Life 3 Years Corrections for temperature & humidity Unnecessary Store the tubes at cool and dark place. Possible coexisting substances and their interferences (NOTE) Substance Concentration Interference Change colour by itself to Zn 5 mg/L + No (100mg/L) Co 5 mg/L + Orange (1mg/L) CN- 20 mg/ L - No (100mg/L) Fe3+ 50 mg/L + Pale orange (50 mg/L) CU+ 5 mg/L - Pale orange (1 mg/L) CU2+ 10 mg/L + Pale blue (50 mg/L) Ni 5 mg/L + No (100mg/L) Mn 50 mg/L - No (100mg/L) PO43- 100 mg/L No No (100mg/L)
